Pm
Прометій
Z 61 145,0 г/мольЛантаноїд Радіоактивний
| 126Pm | 65 | 125,9573 | -39 750,0 | --- | 500,0 мс | --- | β⁺→126Nd β⁺p→125Pr | --- |
| 127Pm | 66 | 126,9514 | -45 310,0 | --- | 1,0 с | (3/2+) | β⁺→127Nd p→126Nd | --- |
| 128Pm | 67 | 127,9482 | -48 220,0 | --- | 1,0 с | (4+) | β⁺→128Nd(100%) β⁺p→127Pr | 1999 |
| 129Pm | 68 | 128,9429 | -53 180,0 | --- | 2,4 с | (5/2+) | β⁺→129Nd(100%) β⁺p→128Pr p→128Nd | 2004 |
| 130Pm | 69 | 129,9405 | -55 470,0 | --- | 2,6 с | (5+) | β⁺→130Nd(100%) β⁺p→129Pr | 1985 |
| 131Pm | 70 | 130,9358 | -59 770,0 | --- | 6,3 с | (11/2-) | β⁺→131Nd(100%) | 1998 |
| 132Pm | 71 | 131,9338 | -61 630,0 | --- | 6,2 с | (3+) | β⁺→132Nd(~100%) β⁺p→131Pr(5е-5%) | 1977 |
| 133Pm | 72 | 132,9298 | -65 410,0 | --- | 13,5 с | (3/2+) | β⁺→133Nd(100%) | 1977 |
| 133mPm | 72 | 132,9299 | -65 280,0 | --- | 8,0 с | (11/2-) | β⁺→133Nd γ→133Pm | 1996 |
| 134Pm | 73 | 133,9283 | -66 760,0 | --- | 22,0 с | (5+) | β⁺→134Nd(100%) | 1977 |
| 134mPm | 73 | 133,9284 | -66 710,0 | --- | --- | (2+) | β⁺→134Nd(100%) | 1988 |
| 134nPm | 73 | 133,9285 | -66 640,0 | --- | 20,0 мкс | (7-) | γ→134Pm(100%) | 2009 |
| 135Pm | 74 | 134,9248 | -70 060,0 | --- | 49,0 с | (3/2+) | β⁺→135Nd(100%) | 1975 |
| 135mPm | 74 | 134,925 | -69 830,0 | --- | 40,0 с | (11/2-) | β⁺→135Nd(100%) | 1989 |
| 136Pm | 75 | 135,9236 | -71 170,0 | --- | 1,78 хв | (7+) | β⁺→136Nd(100%) | 1988 |
| 136mPm | 75 | 135,9237 | -71 070,0 | --- | 1,5 хв | (2+) | β⁺→136Nd(100%) | 1982 |
| 136nPm | 75 | 135,9236 | -71 130,0 | --- | 1,5 мкс | (7-) | γ→136Pm(100%) | 1987 |
| 137Pm | 76 | 136,9205 | -74 073,0 | --- | 2,0 хв | (5/2-) | β⁺→137Nd | 1975 |
| 137mPm | 76 | 136,9207 | -73 910,0 | --- | 2,4 хв | 11/2- | β⁺→137Nd(100%) | 1973 |
| 138Pm | 77 | 137,9196 | -74 914,0 | --- | 3,24 хв | (3-) | β⁺→138Nd(100%) | 1973 |
| 138mPm | 77 | 138,0 | 0,0 | --- | 10,0 с | (1+) | β⁺→138Nd(100%) | --- |
| 139Pm | 78 | 138,9168 | -77 501,0 | --- | 4,15 хв | (5/2+) | β⁺→139Nd(100%) | 1967 |
| 139mPm | 78 | 138,917 | -77 312,0 | --- | 180,0 мс | (11/2-) | γ→139Pm(100%) β⁺→139Nd | 1975 |
| 140Pm | 79 | 139,916 | -78 212,0 | --- | 9,2 с | 1+ | β⁺→140Nd(100%) | 1966 |
| 140mPm | 79 | 139,9165 | -77 783,0 | --- | 5,95 хв | 8- | β⁺→140Nd(100%) | 1966 |
| 141Pm | 80 | 140,9136 | -80 523,0 | --- | 20,9 хв | 5/2+ | β⁺→141Nd(100%) | 1952 |
| 141mPm | 80 | 140,9142 | -79 894,0 | --- | 630,0 нс | 11/2- | γ→141Pm(100%) | 1970 |
| 141nPm | 80 | 140,9163 | -77 992,0 | --- | --- | (23/2+) | γ→141Pm(100%) | 1985 |
| 142Pm | 81 | 141,9129 | -81 142,0 | --- | 40,5 с | 1+ | β⁺→142Nd(100%) β⁺(77,1%) EC→142Nd(22,9%) | 1959 |
| 142mPm | 81 | 141,9138 | -80 259,0 | --- | 2,0 мс | (8-) | γ→142Pm(100%) | 1971 |
| 142nPm | 81 | 141,9159 | -78 313,0 | --- | 67,0 мкс | (13-) | γ→142Pm(100%) | 1974 |
| 143Pm | 82 | 142,9109 | -82 960,7 | --- | 265,0 д | 5/2+ | EC→143Nd(~100%) β⁺(<5,7е-6%) | 1952 |
| 144Pm | 83 | 143,9126 | -81 416,1 | --- | 363,0 д | 5- | EC→144Nd(~100%) β⁺(<8е-5%) | 1952 |
| 144mPm | 83 | 143,9135 | -80 575,2 | --- | 780,0 нс | (9+) | γ→144Pm(100%) | 1993 |
| 144nPm | 83 | 143,9218 | -72 820,0 | --- | --- | (27+) | γ→144Pm(100%) | 1994 |
| 145Pm | 84 | 144,9128 | -81 267,5 | --- | 17,7 р | 5/2+ | EC→145Nd(~100%) α→141Pr(2,8е-7%) | 1951 |
| 146Pm | 85 | 145,9147 | -79 454,0 | --- | 5,53 р | 3- | EC→146Nd(66%) β⁻→146Sm(34%) | 1960 |
| 147Pm | 86 | 146,9151 | -79 042,0 | --- | 2,62 р | 7/2+ | β⁻→147Sm(100%) | 1947 |
| 148Pm | 87 | 147,9175 | -76 866,0 | --- | 5,37 д | 1- | β⁻→148Sm(100%) | 1947 |
| 148mPm | 87 | 147,9176 | -76 728,0 | --- | 41,29 д | 5- | β⁻→148Sm(95,8%) γ→148Pm(4,2%) | 1951 |
| 149Pm | 88 | 148,9183 | -76 064,4 | --- | 2,21 д | 7/2+ | β⁻→149Sm(100%) | 1947 |
| 149mPm | 88 | 148,9186 | -75 824,2 | --- | 35,0 мкс | 11/2- | γ→149Pm(100%) | 1966 |
| 150Pm | 89 | 149,921 | -73 597,0 | --- | 2,7 год | (1-) | β⁻→150Sm(100%) | 1952 |
| 151Pm | 90 | 150,9212 | -73 386,0 | --- | 1,18 д | 5/2+ | β⁻→151Sm(100%) | 1952 |
| 152Pm | 91 | 151,9235 | -71 254,0 | --- | 4,12 хв | 1+ | β⁻→152Sm(100%) | 1958 |
| 152mPm | 91 | 151,9237 | -71 110,0 | --- | 7,52 хв | (4-) | β⁻→152Sm(100%) | 1971 |
| 152nPm | 91 | 152,0 | 0,0 | --- | 13,8 хв | (8) | β⁻→152Sm(100%) γ→152Pm | 1971 |
| 153Pm | 92 | 152,9242 | -70 648,0 | --- | 5,25 хв | 5/2- | β⁻→153Sm(100%) | 1962 |
| 154Pm | 93 | 153,9267 | -68 267,0 | --- | 2,68 хв | (4+) | β⁻→154Sm(100%) | 1958 |
| 154mPm | 93 | 153,9265 | -68 490,0 | --- | 1,73 хв | (1-) | β⁻→154Sm(100%) | 1958 |
| 155Pm | 94 | 154,9281 | -66 940,0 | --- | 41,5 с | (5/2-) | β⁻→155Sm(100%) | 1982 |
| 156Pm | 95 | 155,9311 | -64 166,8 | --- | 27,4 с | 4+ | β⁻→156Sm(100%) | 1986 |
| 156mPm | 95 | 155,9313 | -64 016,5 | --- | 2,3 с | (1+) | γ→156Pm(98%) β⁻→156Sm(2%) | 2007 |
| 157Pm | 96 | 156,9331 | -62 297,0 | --- | 10,56 с | (5/2-) | β⁻→157Sm(100%) | 1987 |
| 158Pm | 97 | 157,9365 | -59 106,1 | --- | 4,8 с | (0+) | β⁻→158Sm(100%) | 1987 |
| 158mPm | 97 | 157,9367 | -58 960,0 | --- | --- | (5+) | γ→158Pm β⁻→158Sm | 2015 |
| 159Pm | 98 | 158,9393 | -56 554,0 | --- | 1,49 с | (5/2-) | β⁻→159Sm(100%) | 1998 |
| 159mPm | 98 | 158,9409 | -55 089,0 | --- | 4,42 мкс | (17/2+) | γ→159Pm(100%) | 2015 |
| 160Pm | 99 | 159,9432 | -52 894,6 | --- | 725,0 мс | (6-) | β⁻→160Sm(100%) β⁻n→159Sm | 2012 |
| 160mPm | 99 | 159,9434 | -52 704,0 | --- | --- | (1-) | β⁻→160Sm γ→160Pm β⁻n→159Sm | 2020 |
| 161Pm | 100 | 160,9462 | -50 087,0 | --- | 1,05 с | (5/2-) | β⁻→161Sm(100%) β⁻n→160Sm | 2012 |
| 161mPm | 100 | 160,9473 | -49 121,0 | --- | 890,0 нс | (13/2+) | γ→161Pm(100%) | 2015 |
| 162Pm | 101 | 161,9506 | -46 040,0 | --- | 630,0 мс | (2+) | β⁻→162Sm(100%) β⁻n→161Sm | 2012 |
| 163Pm | 102 | 162,9539 | -42 960,0 | --- | 255,0 мс | (5/2-) | β⁻→163Sm(100%) β⁻n→162Sm | 2012 |
| 164Pm | 103 | 163,9588 | -38 360,0 | --- | 300,0 мс | (5-) | β⁻→164Sm β⁻n→163Sm | 2018 |
| 165Pm | 104 | 164,9628 | -34 670,0 | --- | 260,0 мс | (5/2-) | β⁻→165Sm β⁻n→164Sm | 2018 |